$\left(\frac{\left(x^2y^4\right)^{\frac{1}{3}}\left(x^{-3}y^{-1}2^2\right)^{\frac{1}{2}}}{\left(x^{-2}y^{-3}2^{-1}\right)}\right)^3$

$-4.4\left(2c-0.3\right)$

$\int6x^2\sin\left(\frac{1}{3}x\right)dx$

$\csc^2m+\frac{1}{\tan^2m}=1$

$ln\left(cos\left(x\right)\right)=1$

$\log_a\left(81\right)=4$

$x2-8x=8$